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Preparation and properties of visible light responsive RGO/In 2 TiO 5 nanobelts for photocatalytic degradation of organic pollutants

Applied Surface Science, ISSN: 0169-4332, Vol: 485, Page: 547-553
2019
  • 14
    Citations
  • 0
    Usage
  • 46
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    14
    • Citation Indexes
      14
  • Captures
    46

Article Description

Electrospinning and solvothermal methods were used to synthesize RGO/In 2 TiO 5 nanobelts. The prepared samples were characterized with XRD, SEM, UV–vis DRS, N 2 adsorption-desorption isotherms, FT-IR and Raman spectroscopy. The results have shown that the samples presented an orthorhombic structure without any secondary phase, and the morphology was not noticeably changed after coupling RGO. The RGO (1 wt%)/In 2 TiO 5 nanobelts showed the highest photocatalytic activity. After 120 min of simulated sunlight irradiation, the degradation rate of RhB was up to 97.5%. Meanwhile, RGO/In 2 TiO 5 nanobelts showed excellent photocatalytic degradation property for fluoroquinolone antibiotic levofloxacin (LEV). The increased electrons and holes separation, enhanced active sites and improved light acquisition were the reasons for the outstanding photocatalytic performances of the photocatalyst. Moreover, terephthalic acid photoluminescence (TA-PL) experiments confirmed that the hydroxyl radicals ( OH) were generated during the photocatalysis processes. The enhanced photocatalytic activity allows RGO/In 2 TiO 5 nanobelts to be a promising candidate to treat antibiotic medical wastewater field in the future.

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